Analysis

  • max time kernel
    36s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2023 10:07

General

  • Target

    akibet20231227170101.pdf.exe

  • Size

    747KB

  • MD5

    661483bd01127ed77259df173d698c38

  • SHA1

    eb458fbb59eda2362010b0fc35e972883ed05f4e

  • SHA256

    70a2c1092dc08ff1d40c89fa65c05bf85f5cf2acf5ffd50829b56d430b26a3aa

  • SHA512

    45ae9283982b4353f5ca18c1a58c0b2fa98b4a8e8d21ae415674b260b4f3cf5787dee88dafb92532ee767e92442679f9823a17c53935415ea7faa84e0cf7ae71

  • SSDEEP

    12288:mITOaGrlnDZb6j8wwKpPpSWqmYr09HGd641RwU/DSAkMdTY/++W:ljWllb6IwwBWpYIEDxkuv+W

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\akibet20231227170101.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\akibet20231227170101.pdf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gtzRifbqVh.exe"
      2⤵
        PID:444
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gtzRifbqVh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFFB.tmp"
        2⤵
        • Creates scheduled task(s)
        PID:5004
      • C:\Users\Admin\AppData\Local\Temp\akibet20231227170101.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\akibet20231227170101.pdf.exe"
        2⤵
          PID:3408
        • C:\Users\Admin\AppData\Local\Temp\akibet20231227170101.pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\akibet20231227170101.pdf.exe"
          2⤵
            PID:2420
          • C:\Users\Admin\AppData\Local\Temp\akibet20231227170101.pdf.exe
            "C:\Users\Admin\AppData\Local\Temp\akibet20231227170101.pdf.exe"
            2⤵
              PID:2536

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\akibet20231227170101.pdf.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4wn013mh.p4a.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmpFFFB.tmp

            Filesize

            1KB

            MD5

            98f3db51fe3f0b786f58ef9b3ff79f60

            SHA1

            3ab89ee90e6ed1c8787e10c0f8abc9cb15e43339

            SHA256

            8d88980bb30daa642f5c7e5099c741a69579befde2b0c6a7c24e840835b6b181

            SHA512

            a9ba9c4fd5013cb58d1db62ba47752ce7d5d48dd036d2a5f6f3b5a98f3e37b8a8a24e8a4e8c9f70a6768197cc953afb9cfdf484400862b219d74588775f1d078

          • memory/444-29-0x0000000005C00000-0x0000000005C66000-memory.dmp

            Filesize

            408KB

          • memory/444-59-0x00000000076E0000-0x00000000076EA000-memory.dmp

            Filesize

            40KB

          • memory/444-39-0x0000000005E90000-0x00000000061E4000-memory.dmp

            Filesize

            3.3MB

          • memory/444-68-0x0000000075330000-0x0000000075AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/444-65-0x0000000007990000-0x0000000007998000-memory.dmp

            Filesize

            32KB

          • memory/444-64-0x00000000079B0000-0x00000000079CA000-memory.dmp

            Filesize

            104KB

          • memory/444-63-0x00000000078B0000-0x00000000078C4000-memory.dmp

            Filesize

            80KB

          • memory/444-62-0x00000000078A0000-0x00000000078AE000-memory.dmp

            Filesize

            56KB

          • memory/444-61-0x0000000007870000-0x0000000007881000-memory.dmp

            Filesize

            68KB

          • memory/444-16-0x0000000004DB0000-0x0000000004DE6000-memory.dmp

            Filesize

            216KB

          • memory/444-18-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

            Filesize

            64KB

          • memory/444-17-0x0000000075330000-0x0000000075AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/444-19-0x00000000054E0000-0x0000000005B08000-memory.dmp

            Filesize

            6.2MB

          • memory/444-60-0x00000000078F0000-0x0000000007986000-memory.dmp

            Filesize

            600KB

          • memory/444-57-0x0000000007CB0000-0x000000000832A000-memory.dmp

            Filesize

            6.5MB

          • memory/444-58-0x0000000007670000-0x000000000768A000-memory.dmp

            Filesize

            104KB

          • memory/444-56-0x0000000007540000-0x00000000075E3000-memory.dmp

            Filesize

            652KB

          • memory/444-40-0x0000000006360000-0x000000000637E000-memory.dmp

            Filesize

            120KB

          • memory/444-44-0x0000000006930000-0x0000000006962000-memory.dmp

            Filesize

            200KB

          • memory/444-45-0x00000000715E0000-0x000000007162C000-memory.dmp

            Filesize

            304KB

          • memory/444-25-0x0000000005280000-0x00000000052A2000-memory.dmp

            Filesize

            136KB

          • memory/444-55-0x0000000007520000-0x000000000753E000-memory.dmp

            Filesize

            120KB

          • memory/444-43-0x000000007EE70000-0x000000007EE80000-memory.dmp

            Filesize

            64KB

          • memory/444-42-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

            Filesize

            64KB

          • memory/444-41-0x00000000063A0000-0x00000000063EC000-memory.dmp

            Filesize

            304KB

          • memory/2420-21-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2420-71-0x0000000004F00000-0x0000000004F10000-memory.dmp

            Filesize

            64KB

          • memory/2420-69-0x0000000006570000-0x00000000065C0000-memory.dmp

            Filesize

            320KB

          • memory/2420-26-0x0000000004F00000-0x0000000004F10000-memory.dmp

            Filesize

            64KB

          • memory/2420-28-0x00000000050C0000-0x0000000005126000-memory.dmp

            Filesize

            408KB

          • memory/2420-70-0x0000000075330000-0x0000000075AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/2420-24-0x0000000075330000-0x0000000075AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/3004-0-0x0000000075330000-0x0000000075AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/3004-2-0x0000000005570000-0x0000000005B14000-memory.dmp

            Filesize

            5.6MB

          • memory/3004-27-0x0000000075330000-0x0000000075AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/3004-3-0x00000000050A0000-0x0000000005132000-memory.dmp

            Filesize

            584KB

          • memory/3004-5-0x0000000005160000-0x000000000516A000-memory.dmp

            Filesize

            40KB

          • memory/3004-10-0x0000000075330000-0x0000000075AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/3004-9-0x0000000006DE0000-0x0000000006E5A000-memory.dmp

            Filesize

            488KB

          • memory/3004-8-0x0000000005540000-0x000000000554E000-memory.dmp

            Filesize

            56KB

          • memory/3004-7-0x0000000005520000-0x0000000005532000-memory.dmp

            Filesize

            72KB

          • memory/3004-1-0x0000000000600000-0x00000000006C0000-memory.dmp

            Filesize

            768KB

          • memory/3004-11-0x00000000051E0000-0x00000000051F0000-memory.dmp

            Filesize

            64KB

          • memory/3004-6-0x0000000005400000-0x000000000549C000-memory.dmp

            Filesize

            624KB

          • memory/3004-4-0x00000000051E0000-0x00000000051F0000-memory.dmp

            Filesize

            64KB